I think people who are higher on Williams than others are too focused on the matchup and forgetting just how lackluster Williams was when Jennings was out the first time around. In those 4 games, Williams never hit 60 rushing yards. He had rushing totals of 22, 33, 51 and 59. He also had 2 games with no catches and had 1 and 2 in the others. He did get 2 TDs but those came in games where he had less than 50 yards total. Ultimately through 4 starts, he averaged 8.6 points in PPR. That's incredibly pedestrian. If you think he will overachieve this week because of matchup, I get that but the Titans rank as low as they do because they've been destroyed by the likes of Shady, Bell, Forsett, Foster and Murray, which totally inflate their yards allowed total. They held Morris to 54 yards. They held TRich and Gio to 47. They held Storm Johson to 21 in the week where he started. They can contain mediocre RBs and Andre Williams is that. We are still talking about a guy with a 2.9ypc this season who is pretty much nonexistent in the passing game. This game was a dream matchup for Jennings. For Williams.... eh. I'd flex him with moderate expectations but any talk of him being a viable RB2 is the same overrating he got when he took over for Jennings the first time.
Of course this could be the rantings of a bitter Jennings owner in two leagues who has Andre Williams in neither.